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If log_input or log_output returns false, terminate the command.

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This commit is contained in:
Todd C. Miller
2010-04-08 09:40:27 -04:00
parent 5b3d150932
commit b457f13718
1 changed files with 22 additions and 10 deletions
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32
src/script.c
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@@ -140,39 +140,49 @@ script_setup(uid_t uid)
}
/* Call I/O plugin input method. */
static void
static int
log_input(char *buf, unsigned int n)
{
struct plugin_container *plugin;
sigset_t omask;
int rval = TRUE;
sigprocmask(SIG_BLOCK, &ttyblock, &omask);
tq_foreach_fwd(&io_plugins, plugin) {
/* XXX - die if return != TRUE */
if (plugin->u.io->log_input)
plugin->u.io->log_input(buf, n);
if (plugin->u.io->log_input) {
if (!plugin->u.io->log_input(buf, n)) {
rval = FALSE;
break;
}
}
}
sigprocmask(SIG_SETMASK, &omask, NULL);
return rval;
}
/* Call I/O plugin output method. */
static void
static int
log_output(char *buf, unsigned int n)
{
struct plugin_container *plugin;
sigset_t omask;
int rval = TRUE;
sigprocmask(SIG_BLOCK, &ttyblock, &omask);
tq_foreach_fwd(&io_plugins, plugin) {
/* XXX - die if return != TRUE */
if (plugin->u.io->log_output)
plugin->u.io->log_output(buf, n);
if (plugin->u.io->log_output) {
if (!plugin->u.io->log_output(buf, n)) {
rval = FALSE;
break;
}
}
}
sigprocmask(SIG_SETMASK, &omask, NULL);
return rval;
}
static void
@@ -637,7 +647,8 @@ script_execve(struct command_details *details, char *argv[], char *envp[],
} else {
if (n == 0)
break; /* got EOF */
log_input(input.buf + input.len, n);
if (!log_input(input.buf + input.len, n))
terminate_child(child, TRUE);
input.len += n;
}
}
@@ -664,7 +675,8 @@ script_execve(struct command_details *details, char *argv[], char *envp[],
} else {
if (n == 0)
break; /* got EOF */
log_output(output.buf + output.len, n);
if (!log_output(output.buf + output.len, n))
terminate_child(child, TRUE);
output.len += n;
}
}